Herbs for Cough, Sore Throat, and Phlegm

Vanessa, 31 from Garner, NC asks me "what is a good herbal expectorant for phlegm? I am having allergic reactions to ?? I am not sure of. However, i seem to have alot of phlegm collecting in my lungs."Well Vanessa lets look at this. Phlegm is also called sputum and mucous. In Chinese Medicine phlegm does not really need to be a physical form coughed up from your lungs, but that is another discussion. Typically here is how phlegm develops....